Window box



FIG. 1 is a perspective view of a window box comprising the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a perspective view of a second embodiment of a window box, portions of which are cut away to illustrate indeterminate length.

The broken line(s) are for illustrative purposes and forms no part of the claimed design. 

The ornamental design for the window box, as shown and described. 